Goodwill and Intangible Assets - Carrying Value of Goodwill (Details) $ in Millions	3 Months Ended
	Mar. 31, 2022 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 315.0
Translation adjustments	(0.2)
Ending balance	314.8
DWS
Goodwill [Roll Forward]
Beginning balance	140.9
Translation adjustments	(0.2)
Ending balance	140.7
C&I
Goodwill [Roll Forward]
Beginning balance	65.5
Translation adjustments	0.0
Ending balance	65.5
ECS
Goodwill [Roll Forward]
Beginning balance	98.3
Translation adjustments	0.0
Ending balance	98.3
Other
Goodwill [Roll Forward]
Beginning balance	10.3
Translation adjustments	0.0
Ending balance	$ 10.3